On Wed, 16 Jul 1997, Kyle Platts wrote:
>
> You have a timing problem. The PM3 can only take clock from the loop,
so the Adtran must be set up to provide clock to the span. The telco
passes timing through the network. >
> Verify that the Adtran is set to Internal clocking under config -
>network (ni) - clock source
>
> Is this a full T-1? Verify the Adtran is set that way, no bit stuffing,
>64k channels, 24 channels, continuous timeslots.
Yes it is a full T-1.
>
> Verify the settings again. The PLL alarm indicates that the Adtran
> cannot sync up to the selected clock source.
> Try changing the timing to loop and see what happens.
I am assuming changing the timing to loop, would be changing from
INTERNAL to NETWORK, which I did.
>
> Kyle Platts
> CSS-Tech
> !NTERPRISE Networking Services
>
Here is the exact config of the Adtran:
===============================================================
1) NI 1)Format:ESF
2)Code:B8ZS
3)YEL ALRM:ENA
4)XMIT PRM:OFF
5)CLOCK SOURCE:INTERNAL --> changed to NETWORK
6)BIT STUFFING:DISA
7)SET LBO:0.0
==================================================================
2) UNIT
-------------------------------------
1)CNTRL PORT 1)POSITION:MASTER
2)MODEM INIT:DISA
3)DATA RATE:9600
-------------------------------------
2)ALARMS 1)TRAPS:DISA
2)OUTPUT:DIRECT
3)TEL NUM:
===================================================================
3)PORT
1)RATE 56/64:64
2)CHANNELS:CONT
3)DTE TX CLK:INT-INV
4)START CHAN:01
5)# OF CHAN:24
6)DATA:NORMAL
7)CTS:NORMAL
8)DCD:NORMAL
9)DSR:NORMAL
====================================================================